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发明名称
Record sheet holder
摘要
申请公布号
US2630121(A)
申请公布日期
1953.03.03
申请号
US19490134666
申请日期
1949.12.23
申请人
FELT & TARRANT MANUFACTURING COMPANY
发明人
NIEMANN FREDERICK A.;KOCH RAYMOND J.
分类号
B41L3/08
主分类号
B41L3/08
代理机构
代理人
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